adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Such a cartilage (typically in a tadpole or similar larva)

Adjective

1. 1
   Beneath a rostrum not-comparable

Etymology

From infra- + rostral.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.